Gerard Lemarquis Books

Reykjavik

Average: 0.00, 0 Ratings

Founded by Viking adventurers around AD 870, Reykjavik, the most northerly capital city in the world, is paradoxically a young city. Though it is home to the Althing, one of the oldest existing dem...

Le Berger de l avent

By Gerard Lemarquis, Gunnar Gunnarsson

Average: 0.00, 0 Ratings

Les Islandais

By Gerard Lemarquis

Average: 0.00, 0 Ratings

Voyage au coeur de l'Islande pour découvrir les habitants ce pays sous toutes leurs facettes. -- [Renaud-Bray].

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.